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16 Topic Pages Found in Chemistry and starting with the letter G
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( gădəlĭn'ēəm ), metallic chemical element; symbol Gd; at. no. 64; at. wt. 157.25; m.p. 1,312 degrees Celsius; b.p. 3,233 degrees Celsius; sp. gr.

Open Gallium

( găl'ēəm ), metallic chemical element; symbol Ga; at. no. 31; at. wt. 69.723; m.p. 29.78 degrees Celsius; b.p. 2,403 degrees Celsius; sp. gr. 5.904

gas laws

physical laws describing the behavior of a gas under various conditions of pressure, volume, and temperature. Experimental results indicate that all

Open gasoline

or petrol, light, volatile mixture of hydrocarbons for use in the internal-combustion engine and as an organic solvent, obtained primarily by

Gay-Lussac, Joseph Louis (1778 - 1850)

( zhôzĕf' lwē gā-lüsäk' ), 1778–1850, French chemist and physicist. He was professor in Paris at the Sorbonne, at the Polytechnic School, and at the


or animal jelly, foodstuff obtained from connective tissue (found in hoofs, bones, tendons, ligaments, and cartilage) of vertebrate animals by the

Open Germanium

( jərmā'nēəm ) [from Germany ], semimetallic chemical element; symbol Ge; at. no. 32; at. wt. 72.63; m.p. 937.4 degrees Celsius; b.p. 2,830 degrees

Open Gibbs, Josiah Willard (1839 - 1903)
Gibbs, Josiah Willard (1839 - 1903)

US theoretical physicist and chemist who developed a mathematical approach to thermodynamics and established vector methods in physics. He devised the


organ that manufactures chemical substances. A gland may vary from a single cell to a complex system of tubes that unite and open onto a surface

Open glass

hard substance, usually brittle and transparent, composed chiefly of silicates and an alkali fused at high temperature. Most glass is a mixture of